# Filing Detail

Form DEF 14A - Other definitive proxy statements:
SEC Accession No. 0000067716-23-000035
Filing Date
2023-03-24
Accepted
2023-03-24 10:31:15
Documents
65

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | DEF 14A | mdu-20230323.htm iXBRL | DEF 14A | 1996993
6 | GRAPHIC | mdu-20230323_g1.jpg | GRAPHIC | 684409
7 | GRAPHIC | mdu-20230323_g10.jpg | GRAPHIC | 96767
8 | GRAPHIC | mdu-20230323_g11.jpg | GRAPHIC | 92278
9 | GRAPHIC | mdu-20230323_g12.jpg | GRAPHIC | 89896
10 | GRAPHIC | mdu-20230323_g13.jpg | GRAPHIC | 127473
11 | GRAPHIC | mdu-20230323_g14.jpg | GRAPHIC | 82833
12 | GRAPHIC | mdu-20230323_g15.jpg | GRAPHIC | 94531
13 | GRAPHIC | mdu-20230323_g16.jpg | GRAPHIC | 58043
14 | GRAPHIC | mdu-20230323_g17.jpg | GRAPHIC | 71556
15 | GRAPHIC | mdu-20230323_g18.jpg | GRAPHIC | 151229
16 | GRAPHIC | mdu-20230323_g19.jpg | GRAPHIC | 2744
17 | GRAPHIC | mdu-20230323_g2.jpg | GRAPHIC | 74265
18 | GRAPHIC | mdu-20230323_g20.jpg | GRAPHIC | 2124
19 | GRAPHIC | mdu-20230323_g21.jpg | GRAPHIC | 205626
20 | GRAPHIC | mdu-20230323_g22.jpg | GRAPHIC | 238854
21 | GRAPHIC | mdu-20230323_g23.jpg | GRAPHIC | 229520
22 | GRAPHIC | mdu-20230323_g24.jpg | GRAPHIC | 61172
23 | GRAPHIC | mdu-20230323_g25.jpg | GRAPHIC | 76659
24 | GRAPHIC | mdu-20230323_g26.jpg | GRAPHIC | 134446
25 | GRAPHIC | mdu-20230323_g27.jpg | GRAPHIC | 65306
26 | GRAPHIC | mdu-20230323_g28.jpg | GRAPHIC | 98272
27 | GRAPHIC | mdu-20230323_g29.jpg | GRAPHIC | 33182
28 | GRAPHIC | mdu-20230323_g3.jpg | GRAPHIC | 111463
29 | GRAPHIC | mdu-20230323_g30.jpg | GRAPHIC | 41814
30 | GRAPHIC | mdu-20230323_g31.jpg | GRAPHIC | 513454
31 | GRAPHIC | mdu-20230323_g32.jpg | GRAPHIC | 517303
32 | GRAPHIC | mdu-20230323_g33.jpg | GRAPHIC | 511962
33 | GRAPHIC | mdu-20230323_g34.jpg | GRAPHIC | 557464
34 | GRAPHIC | mdu-20230323_g35.jpg | GRAPHIC | 576195
35 | GRAPHIC | mdu-20230323_g36.jpg | GRAPHIC | 493810
36 | GRAPHIC | mdu-20230323_g37.jpg | GRAPHIC | 498340
37 | GRAPHIC | mdu-20230323_g38.jpg | GRAPHIC | 552454
38 | GRAPHIC | mdu-20230323_g39.jpg | GRAPHIC | 493545
39 | GRAPHIC | mdu-20230323_g4.jpg | GRAPHIC | 195138
40 | GRAPHIC | mdu-20230323_g40.jpg | GRAPHIC | 48172
41 | GRAPHIC | mdu-20230323_g41.jpg | GRAPHIC | 58876
42 | GRAPHIC | mdu-20230323_g42.jpg | GRAPHIC | 49424
43 | GRAPHIC | mdu-20230323_g43.jpg | GRAPHIC | 76195
44 | GRAPHIC | mdu-20230323_g44.jpg | GRAPHIC | 55972
45 | GRAPHIC | mdu-20230323_g45.jpg | GRAPHIC | 84235
46 | GRAPHIC | mdu-20230323_g46.jpg | GRAPHIC | 435598
47 | GRAPHIC | mdu-20230323_g47.jpg | GRAPHIC | 86370
48 | GRAPHIC | mdu-20230323_g48.jpg | GRAPHIC | 72762
49 | GRAPHIC | mdu-20230323_g49.jpg | GRAPHIC | 73366
50 | GRAPHIC | mdu-20230323_g5.jpg | GRAPHIC | 65328
51 | GRAPHIC | mdu-20230323_g50.jpg | GRAPHIC | 723236
52 | GRAPHIC | mdu-20230323_g51.jpg | GRAPHIC | 277477
53 | GRAPHIC | mdu-20230323_g6.jpg | GRAPHIC | 72595
54 | GRAPHIC | mdu-20230323_g7.jpg | GRAPHIC | 27079
55 | GRAPHIC | mdu-20230323_g8.jpg | GRAPHIC | 83958
56 | GRAPHIC | mdu-20230323_g9.jpg | GRAPHIC | 81519
| Complete submission text file | 0000067716-23-000035.txt |  | 28723129

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
2 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | mdu-20230323.xsd | EX-101.SCH | 5201
3 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | mdu-20230323_def.xml | EX-101.DEF | 8319
4 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | mdu-20230323_lab.xml | EX-101.LAB | 11919
5 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | mdu-20230323_pre.xml | EX-101.PRE | 6893
59 | EXTRACTED XBRL INSTANCE DOCUMENT | mdu-20230323_htm.xml | XML | 128036

Mailing Address 1200 WEST CENTURY AVENUE BISMARCK ND 58503
Business Address 1200 WEST CENTURY AVENUE BISMARCK ND 58503 701-530-1000
MDU RESOURCES GROUP INC (Filer) CIK: 0000067716 (see all company filings)

EIN.: 301133956 | Fiscal Year End: 1231
Type: DEF 14A | Act: 34 | File No.: 001-03480 | Film No.: 23758322
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)